Which of the following sets of conditions are most likely to lead to the formation of advection fog?

Question

Accepted Answer

A mild moist airstream flowing over colder surfaces with the wind speed less than 15 kt

Answer

Clear skies at night over an inland marshy area

Answer

A mild moist airstream flowing over colder surfaces with a wind in excess of 30 kt

Answer

Cold maritime air flowing over a warmer land surface at a speed greater than 15 kt

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